Ingenious DesignMPOW magneto offers you a new way to listen music and making calls. Using Honeywell Switch Sensor, it allows you to play / pause the music on your device or answer / end phone calls by attaching and separating the earbuds. No bother of pressing any button.1. When the magnetic heads are attached together, separate them to play the music or answer the call. 2. When the magnetic heads are separated, attach them together to stop the music or hang up the phone.